Shredded Cheeses

I am trying to figure out what made me sick the other day. I checked the labels carefully, I have gluten free list on my palm and check before I buy but I did not check the cheese. I used Kraft Mexican cheese blend in my enchiladas I made. I am having trouble finding out if it is safe or not.

I wrote to Sargento and they informed me that all of their shredded cheeses are gluten free except for the taco and mexican cheeses (the ones that spices are added to). So, maybe the same goes for Kraft???